216106748 has 24 divisors (see below), whose sum is σ = 444304560. Its totient is φ = 90673920.

The previous prime is 216106727. The next prime is 216106757. The reversal of 216106748 is 847601612.

216106748 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×216106748² = 93404253062271008, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 188333 + ... + 189476.

It is an arithmetic number, because the mean of its divisors is an integer number (18512690).

Almost surely, 2^216106748 is an apocalyptic number.

It is an amenable number.

216106748 is an abundant number, since it is smaller than the sum of its proper divisors (228197812).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

216106748 is a wasteful number, since it uses less digits than its factorization.

216106748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 377837 (or 377835 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 35.

The square root of 216106748 is about 14700.5696488265. The cubic root of 216106748 is about 600.0988244627.

The spelling of 216106748 in words is "two hundred sixteen million, one hundred six thousand, seven hundred forty-eight".